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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Druckformat: 0018-8166
ISSN Online: 1943-5991

Volumes:
Volumen 55, 2019 Volumen 54, 2018 Volumen 53, 2017 Volumen 52, 2016 Volumen 51, 2015 Volumen 50, 2014 Volumen 49, 2013 Volumen 48, 2012 Volumen 47, 2011 Volumen 46, 2010 Volumen 45, 2009 Volumen 44, 2008 Volumen 43, 2007 Volumen 42, 2006 Volumen 41, 2005 Volumen 40, 2004 Volumen 39, 2003 Volumen 38, 2002 Volumen 37, 2001 Volumen 36, 2000 Volumen 35, 1999 Volumen 34, 1998

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v43.i3.40
pages 57-70

Changes in the Species Structure of Fish Population of Sapropelic Lake Nero

S. N. Polovkova
Institute of Biology of Inland Waters of Russian Academy of Sciences, Borok, Russia
V. G. Tereshchenko
Institute of Biology of Inland Waters of Russian Academy of Sciences, Borok, Russia
L. I. Tereshchenko
Institute of Biology of Inland Waters of Russian Academy of Sciences, Borok, Russia
S. N. Nadirov
Institute of Biology of Inland Waters of Russian Academy of Sciences, Borok, Russia

ABSTRAKT

Analysis of changes in the structure of fish catches in sapropelic Lake Nero has shown the lake succession from the bream and zander type through the bream and bleak to the bream and bleakless type of water body that took place during the last three centuries because of depth decrease and overgrowing rate increase. It has been shown that the complex of anthropogenic factors had changed the natural succession course for the last 40 years and substantially influenced structural transformation of the fish population. The results of the study allowed conclusion that the structure of fish population of sapropelic Lake Nero and its fish capacity are determined not only by the abiotic lake properties, but also by migrants, which came from the Volga River (the Gor'kovskoye Reservoir).


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